About 14 results
https://drivepatents.com/patents/964795 · 26 May 2026
A road boundary detection device is a road boundary detection device that acquires a set of lines corresponding to a road boundary from point cloud data as road boundary information. The road boundary detection device includes: a candidate point detection ...
https://drivepatents.com/patents/1379353 · 12 Mar 2026
Certain aspects of the present disclosure provide a method for generating a map. A method generally includes obtaining sensor data from one or more sensors, the sensor data corresponding to an environment comprising one or more features including a first f...
https://drivepatents.com/patents/1372274 · 2 Jan 2025
A computer system comprising: computer storage configured to store a static road layout; a topological indexing component configured to generate an in-memory topological index of the static road layout, the topological index in the form of a graph of nodes...
https://drivepatents.com/patents/982884 · 23 Oct 2013
A technique for generating from a point set geometric data that continuously describe a course of a geographic object is presented. The technique may be used in the context of generating data for a navigation device or driver assistend system. A method imp...
https://drivepatents.com/patents/990432 · 29 May 2013
A system and method identifies road features that may not appear on a map database, such as paths not described as roads on the map database. Periodical positional fixes are received from vehicles. Traces belonging to the same new road segment, having a co...
https://drivepatents.com/patents/998355 · 12 Sep 2012
When a vehicle runs in a region other than existing roads stored as ready-made map data, learned road data (GL1) is generated based on a traveling locus. Further, an existing road connected with the learned road is defined as a base link (L1, L2). The base...
https://drivepatents.com/patents/1005256 · 15 Feb 2012
The method involves dividing successive segments (4-7) associated with supporting locations (8-10, 12, 14, 21a, 21b, 22, 23), and storing information related to geometric shapes of the divided segments. A curve (1) of a road section is reconstructed by rec...
https://drivepatents.com/patents/1069455 · 8 Mar 2006
The present invention provides a method and apparatus for compressing data of position information such as a road on a digital map in order to realize an accurate transmission of the position information in a small volume of data. A shape vector of an obje...
https://drivepatents.com/patents/1076019 · 13 Jul 2005
A preferred route from a present place to a destination in decided based on geographical data including road shape information indicative of the shapes of roads and also including road connection information indicative of connection conditions between the ...
https://drivepatents.com/patents/1084727 · 25 Aug 2004
Polygonal road network data are prepared based on road network data and city map data. The road network data include node data (905, 913) and link data (905, 917). The node data (905, 913) express respective intersections as nodes, and the link data (905, ...